A driver is software that can help your printer to understand the language of your computer. If there is no driver, your printer might not respond to what the computer had requested to do. A driver makes all the process of printer easier. You can print, scan, copy, fax, and can do so many things with your printer's driver. Thus a driver plays an integral role in the printing process. When it comes to Epson Artisan 837 driver, it reassures the best communication between your computer and the printer. You just need to download the driver and install it on your computer.